55222502 has 8 divisors (see below), whose sum is σ = 84396816. Its totient is φ = 27090232.

The previous prime is 55222487. The next prime is 55222513. The reversal of 55222502 is 20522255.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260378 + ... + 260589.

It is an arithmetic number, because the mean of its divisors is an integer number (10549602).

Almost surely, 2^55222502 is an apocalyptic number.

55222502 is a deficient number, since it is larger than the sum of its proper divisors (29174314).

55222502 is a wasteful number, since it uses less digits than its factorization.

55222502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521022.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 55222502 is about 7431.1844278015. The cubic root of 55222502 is about 380.8073830675.

Adding to 55222502 its reverse (20522255), we get a palindrome (75744757).

The spelling of 55222502 in words is "fifty-five million, two hundred twenty-two thousand, five hundred two".